Segmental Plaque Heterogeneity in a Composite Right Internal Thoracic Artery-Radial Artery Graft as Visualized by NIRS-IVUS. - Saito H; Yamada K; Kagaya Y; Kanazawa M; Miura M; Kondo M; Endo H; Nakamura A (JACC. Case reports, 2026)